Farming systems research approach : a primer for eastern and southern Africa /
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| Язык: | English |
| Опубликовано: |
Gaborone, Botswana :
Farming Systems Programme,
1994.
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| Classic Catalogue: | View this record in Classic Catalogue |
| Объем: | xi, 148 p. : ill. ; 30 cm. |
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| Библиография: | Includes bibliographical references (p. 136-142). |